x+y=9150;1/2x+2/3y=5275

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Remember to put linear equations with variables x and y.
for example:
2x+y=8
x+3y=14

Solution for x+y=9150;1/2x+2/3y=5275 system of equations: 


  • /| x+y-9150 = 0| (1/2)*x+(2/3)*y-5275 = 0
  • We try to solve the equation: x+y-9150 = 0
  • x+y-9150 = 0 // - x-9150
  • y = -(x-9150)
  • y = 9150-x
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| (2/3)*(9150-x)+(1/2)*x-5275 = 0| y = 9150-x
  • 2/3*(9150-x)+x/2-5275 = 0
  • 6100-1/6*x-5275 = 0
  • 825-1/6*x = 0
  • 825-1/6*x = 0 // - 825
  • -1/6*x = -825 // : -1/6
  • x = -825/(-1/6)
  • x = 4950
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 9150-x: 
  • y = 9150-4950
  • y = 4200
  • We get a system of equations:
  • /| y = 4200| x = 4950

 

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